ModelSim/Simulink Cosimulation and FPGA Realization of a Multiaxis Motion Controller

Ying-Shieh Kung, Jin-Mu Lin, Yu-Jen Chen and Hsin-Hung Chou

Mathematical Problems in Engineering, 2015, vol. 2015, 1-17

Abstract:

This paper is to implement a multiaxis servo controller and a motion trajectory planning within one chip. At first, SoPC (system on a programmable chip) technology which is composed of an Altera FPGA (field programmable gate arrays) chip and an embedded soft-core Nios II processor is taken as the development of a multiaxis motion control IC. The multiaxis motion control IC has two modules. The first module is Nios II processor which realizes the motion trajectory planning by software. It includes the step, circular, window, star, and helical motion trajectory. The second module presents a function of the multiaxis position/speed/current controller IP (intellectual property) by hardware. And VHDL (VHSIC Hardware Description Language) is applied to describe the multiaxis servo controller behavior. Before the FPGA realization, a cosimulation work by ModelSim/Simulink is applied to test the VHDL code. Then, this IP combined by Nios II processor will be downloaded to FPGA. Therefore, a fully digital multiaxis motion controller can be realized by a single FPGA chip. Finally, to verify the effectiveness and correctness of the proposed multiaxis motion control IP, a three-axis motion platform ( XYZ table) is constructed and some experimental results are presented.

Date: 2015
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jnlmpe:202474

DOI: 10.1155/2015/202474

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